ATE389974T1 - DIGITIZER ARRANGEMENT - Google Patents
DIGITIZER ARRANGEMENTInfo
- Publication number
- ATE389974T1 ATE389974T1 AT04808903T AT04808903T ATE389974T1 AT E389974 T1 ATE389974 T1 AT E389974T1 AT 04808903 T AT04808903 T AT 04808903T AT 04808903 T AT04808903 T AT 04808903T AT E389974 T1 ATE389974 T1 AT E389974T1
- Authority
- AT
- Austria
- Prior art keywords
- matrix
- spatial frequency
- arrangement
- comparing
- sensors
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/005—Damping of vibrations; Means for reducing wind-induced forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/023—Monitoring or calibrating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/04—Details
- G01S3/043—Receivers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
- G01S3/48—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/04—Position of source determined by a plurality of spaced direction-finders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/003—Transmission of data between radar, sonar or lidar systems and remote stations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/02—Arrangements for de-icing; Arrangements for drying-out ; Arrangements for cooling; Arrangements for preventing corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/288—Satellite antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/147—Reflecting surfaces; Equivalent structures provided with means for controlling or monitoring the shape of the reflecting surface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0037—Particular feeding systems linear waveguide fed arrays
- H01Q21/0043—Slotted waveguides
- H01Q21/005—Slotted waveguides arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0087—Apparatus or processes specially adapted for manufacturing antenna arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/045—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means
- H01Q9/0457—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means electromagnetically coupled to the feed line
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
- H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/021—Auxiliary means for detecting or identifying radar signals or the like, e.g. radar jamming signals
Abstract
A method and arrangement for finding the direction to an emitter source by determining the spatial frequency of a signal received from the source in a sensor panel and comparing the spatial frequency with the instantaneous frequency. The panel includes a first matrix of sensors and a second matrix of sensors interleaved with the first matrix. The spatial frequency is determined by comparing the signals received by the first and second sensor matrices.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20042234 | 2004-05-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE389974T1 true ATE389974T1 (en) | 2008-04-15 |
Family
ID=34959732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04808903T ATE389974T1 (en) | 2004-05-28 | 2004-12-30 | DIGITIZER ARRANGEMENT |
Country Status (9)
Country | Link |
---|---|
US (4) | US20080111759A1 (en) |
EP (1) | EP1749345B1 (en) |
JP (1) | JP4523643B2 (en) |
CN (1) | CN1957535A (en) |
AT (1) | ATE389974T1 (en) |
AU (1) | AU2004326314B8 (en) |
DE (1) | DE602004012620T2 (en) |
WO (7) | WO2005117202A1 (en) |
ZA (1) | ZA200608087B (en) |
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US10288715B2 (en) | 2016-09-09 | 2019-05-14 | Raytheon Company | Systems and methods for direction finding using augmented spatial sample covariance matrices |
US10288716B2 (en) | 2016-09-09 | 2019-05-14 | Raytheon Company | Systems and methods for direction finding based on minimum distance search to principal components |
US10768265B2 (en) | 2016-11-09 | 2020-09-08 | Raytheon Company | Systems and methods for direction finding using compressive sensing |
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-
2004
- 2004-12-30 WO PCT/NO2004/000408 patent/WO2005117202A1/en active Application Filing
- 2004-12-30 CN CNA2004800431736A patent/CN1957535A/en active Pending
- 2004-12-30 US US11/569,030 patent/US20080111759A1/en not_active Abandoned
- 2004-12-30 WO PCT/NO2004/000407 patent/WO2005117209A1/en active Application Filing
- 2004-12-30 JP JP2007514959A patent/JP4523643B2/en not_active Expired - Fee Related
- 2004-12-30 WO PCT/NO2004/000410 patent/WO2005116680A1/en active Application Filing
- 2004-12-30 US US11/568,955 patent/US20070222672A1/en not_active Abandoned
- 2004-12-30 WO PCT/NO2004/000412 patent/WO2005116681A1/en active Application Filing
- 2004-12-30 DE DE602004012620T patent/DE602004012620T2/en active Active
- 2004-12-30 ZA ZA200608087A patent/ZA200608087B/en unknown
- 2004-12-30 EP EP04808903A patent/EP1749345B1/en active Active
- 2004-12-30 US US11/568,946 patent/US7411537B2/en active Active
- 2004-12-30 AU AU2004326314A patent/AU2004326314B8/en not_active Ceased
- 2004-12-30 AT AT04808903T patent/ATE389974T1/en not_active IP Right Cessation
- 2004-12-30 WO PCT/NO2004/000411 patent/WO2005116679A1/en not_active Application Discontinuation
- 2004-12-30 WO PCT/NO2004/000409 patent/WO2005117278A1/en not_active Application Discontinuation
-
2005
- 2005-02-17 US US11/569,010 patent/US7750849B2/en active Active
- 2005-03-23 WO PCT/NO2005/000106 patent/WO2005116682A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP1749345A1 (en) | 2007-02-07 |
EP1749345B1 (en) | 2008-03-19 |
WO2005116682A1 (en) | 2005-12-08 |
JP2008501289A (en) | 2008-01-17 |
DE602004012620D1 (en) | 2008-04-30 |
WO2005117278A1 (en) | 2005-12-08 |
ZA200608087B (en) | 2008-03-26 |
AU2004326314B8 (en) | 2009-11-19 |
US7411537B2 (en) | 2008-08-12 |
US20080111759A1 (en) | 2008-05-15 |
JP4523643B2 (en) | 2010-08-11 |
WO2005117202A1 (en) | 2005-12-08 |
WO2005116681A1 (en) | 2005-12-08 |
US20070241949A1 (en) | 2007-10-18 |
AU2004326314A8 (en) | 2008-08-14 |
WO2005116680A1 (en) | 2005-12-08 |
WO2005117209A1 (en) | 2005-12-08 |
US20070200760A1 (en) | 2007-08-30 |
WO2005116679A1 (en) | 2005-12-08 |
US20070222672A1 (en) | 2007-09-27 |
DE602004012620T2 (en) | 2009-04-23 |
AU2004326314B2 (en) | 2009-01-22 |
AU2004326314A1 (en) | 2006-12-14 |
US7750849B2 (en) | 2010-07-06 |
CN1957535A (en) | 2007-05-02 |
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